November 11, 2025
Hanwha Ocean of South Korea has signed a Memorandum of Understanding (MOU) with PCL Construction for cooperation on infrastructure development for the Canadian Patrol Submarine Project.
In August 2025, Hanwha Ocean’s KSS-III was selected by the Government of Canada as a qualified supplier for the Canadian Patrol Submarine Project (CPSP). The KSS-III is a proven, in-service, in-active production submarine that fully meets and exceeds all High-Level Mandatory Requirements (HLMRs) set by the Government of Canada for CPSP. These include superior underwater surveillance capability and deployability in the Arctic with extended range and endurance that will provide stealth, persistence and lethality to ensure that Canada can detect, track, deter and, if necessary, defeat adversaries in all 3 of its oceans.
Importantly, Hanwha Ocean has the fastest delivery schedule, able to deliver four KSS-III submarines to fully replace Canada’s current Victoria Class fleet before 2035 if on contract in 2026. Earlier retirement of the Victoria Class fleet will result in estimated savings of approximately $1 Billion on maintenance and support costs. The additional 8 submarines will be delivered at a rate of one per year, meaning the entire fleet of 12 submarines will be delivered to Canada by 2043. No other option can come anywhere close to this delivery schedule.
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